Finding the Fourth Proportional to 161,986,111.94, 242,989,942.31 and 56,928,748.88

Step by Step Solution

1. Step 1: Write the proportion equation
   161,986,111.94 : 242,989,942.31 = 56,928,748.88 : x
2. Step 2: Convert to fraction form
   161,986,111.94/242,989,942.31 = 56,928,748.88/x
3. Step 3: Cross multiply
   161,986,111.94x = 242,989,942.31 × 56,928,748.88
4. Step 4: Simplify right side
   161,986,111.94x = 13,833,113,406,131,678
5. Step 5: Solve for x
   x = 13,833,113,406,131,678/161,986,111.94
6. Step 6: Final answer
   x = 85,396,909.90